William f



(No Model.)

` W. F. FO'LMER.

GAS BURNER. No. 419,651 Patented' J an. 21, 1890 /NvE/vo/f f 5% Bv Wwww@ ATTORNEYS WIT/VESSES: WML/9L. @aww @gg/)f7 W/ rthe followingimprovement. taken from a position Vthe nipple of a gas-iixture.

cured to the plug s UNITED STATES PATENT OFFICE.

XVILIJIAM F. FOLMER, OF NEIV YORK, Y., ASSIGNOR OF ONE-HALF TO VALTER E.SCHVIN G, OF SAME PLACE.

GAS-BURNER.

SPECIFICATION forming part of Letters Patent N o. 419,651, dated January21, 1890.

Application filed March 23, 1889.

T0 all whom t may concern:

Be it known that I, IVILLIAM F. FOLMER, of New York, in the county andState York, have invented a certain new and useful Improvement inGas-l3urners, of which is a specification.

I will describe a gas-burner embodying` my improvement, and then pointout the novel features in claims.

In the accompanying drawings, Figure lis a side view of a gas-burnerembodying my Fig. 2 is another side view at right angles to the sideview, Fig. l. Fig. 3 is a central vertical section of the gas-burner.Fig. 4 is a plan or top view of a holder for a globe comprised in thegas-burner. Fig. 5 is a vertical section of the globe and globe-holder.Fig. G is a detail, partly in section, showing a eireumferential groovein the plug.

Similar letters of reference designate corresponding parts in all theiigures.

A designates the body of the burner. It may beV of cast :metal and ofthe usual or any other suitable shape. At the lower end it is provided,as usual, with an internally-screwthreaded socket a, suitable forengaging with At the upper end there is an internally-screw-threadedsocket a', in which a pillar or tip piece B may be secured.

C designates a tapering plug fitting in a tapering cavity a2, thatextends transversely through the body A. At the smaller'end of this plugthere is a cylindric portion c. This extends within a cylindric cavitya3, which is formed in the body A. A spring D (here shown as-of helicalform) tits within the cavity a3. At the extremity of the smaller end of--the plug' C a lever E is secured. The spring D bears at one end againstthe back of the cavity a3 and at the other end against the opposite sideof the lever. It therefore tends to force the lever away from the body Ato draw the tapering plug C into the tapering cavity c2 of the body A.Thus it will tend to secure a tight tit of the plug in the body andobviate leakage. The lever E may be sein any suitable manner.` Forinstance, it may be :fitted upon a polygo` nalV base provided on thesmallY end ofthe of New` Serial No. 304,436. (No model.)

plug, so as to interlock vwith the plug, and it maybe secured inengagement with said base by means ot' a screw d, passing through a holein the lever and entering a tapped hole in the plug. It lwill beobserved that the lever is not straight from end to end, but that oneach side of its middle portion it is bent rearwardly at an angle, andthen again bent parallel to the main portion.l This is advantageous forthe proper coaction of the lever with other parts. The end portions ot'the lever are shown as provided with pendent chains 'D'. Thesefacilitate the oscillation of the lever to effect the turning of theplug.

It will be seen that the body A has beneath the cavity a2 twoindependent vertical duets or gasways a4 a5. These may be of the samesize. They extend from the socket a to the cavityc The Lipper part ofthe body A, it will be noticed, is provided with two vertical chiots orgasways a c7. One of these c is ot small diameter, and may be of thesame diameter as the duet a4. It is in line with the duct a4. The otherduct a7, which is in the upper part of the body A, is of considerablylarger diameter. It is shown as arranged 0pposit'e the duct a5. i

The plug C is provided with a longitudinal cavity c of suitable size. Italso has two transverse ducts c4 e5, which are shown as of the same sizeas the ducts a4 a5 in the body A, and are arranged opposite to the same,so that when the plug is suitably turned they may be in line with saidducts a4 a5, and then will receive gas therefrom. The plug is alsoprovided with two other transverse ducts c6 c7. The duct ci is in linewith the duct c4, and communicates therewith through the cavity c. Theduct c6 will communicate with the duct a of the body when the plug isproperly turned, and when this happens the duct a4 will be incommunication with the duct a6. The duct c7 of the plug is opposite theduct a7 of the body, and is shown as of the same size as this duct c7.It is opposite the duct c5 of the plug. Gas may pass from the duct c5into the cavity c and into the duct c7. From the duct c7 it may liowinto the duct a7. Gas will iiow from the ducts as al into the pillar andthence to the tip.

IOO

That portion of the cavity c which is in the larger end of the plug C isinternally screw-threaded and has itted in it a regulating-screw c2. Theend of this screw may eX- tend beyond the duct c5, if the screw beproperly adjusted, and then it will stop the flow of gas through theducts a5 e5 into the ca\ity c', while yet leaving the duct c7 free totake gas from the cavity c. The screw may be moved far enough into thecavity c to obstruct the duct ci more or less. By obstructing this ductc7 more or less it will regulate the amount of gas flowing to the pillarand tip. It may be adjusted to close the duct c7.

The plug C has a circumferential groove c3 in the saine plane as theducts c4 c6. Owing to this, gas will be supplied to the pillar vand tipeven when the plug is so turned as to adjust the ducts c4 c out of linewith the ducts a4 c and the ducts c5 c7 out of line with the ducts a5a7, for gas may, even after this ad justrnent of the ducts c4 cG c5 c7,flow from the l duct a4 around the circumferential groove c3, When thegas flows in the manner last described,the quantity will be small andsuitable only for a night-light or a liamel which can be burned andthence into the duet a6.

constantly.

a8 is a regulating-screw for the duct a6, ity ting in a transversecavity in the ybody A and extending` into the duct at'. By adjusti ingit to'more or less obstruct this duct the amount of gas passing throughthe latter can be regulated.

The pillar' and tip are made in one piece of sheet metal.

ception of the tip ordinarily used. Here the closed end is properlyshaped to form a tip, l

the metal adjacent toy it is drawn inwardly to form aninwardly-projecting bead b, and a slit b is made.

It will be seen that the main duct or gasway 61,7 will be supplied withgas by the two ducts or gasways a4 0,5 and the cavity c.

G designates a globe-holder. It is shown as consisting of a circulardisk of metal having the edge g upturned to form a iange and anupwardly-extending bead formed in it near the edge. At the center it hasan upturned corrugated cylinder g5 `for fitting upon the pillar B. Thiswill slide easily upon the pillar and at the same time allow ofnelydivided currents of air passing up around the pillar. I have shownthe disk as having a number of V-shaped` slits g2 made in it.

VThe metal within these slits is upturned` This effects an economy. Or-2 dinarily sheet metal is drawn up to forni the pillar and the closedend is cut out and then thrown away to afford an opening for the rei isconnected to the lever is longitudinally slotted for a distance, so thatthe lever may inove a short distance withoutl raising or lowerin g theglobe-holder.

The globe I is made out of a dome-shaped piece of sheet metal having acentral opening t' at the apex and a number of strips or uprights t"extending downwardly from. the saine and serving to support it. Theextremities of these strips i iit in slots g3 arranged in the edge ofthe globe-holder. One of the strips` t" is bent to formarearwardly-extenf'led hook i?. This will first be inserted in the slotg3 of the globe-holder. The opposite strip t" is provided with aprojection t3. Vhen the globe is rocked downwardly after the engagementof the hook i2 with the globe-holder, the opposite strip will pass intoits slot in the globe-holder until the projection i3 has passed beyondit, whereupon it will fasten it to the globe. The sides of the globe aretted with a cylinder of glass or mica. This may be secured at the upperedgeby forming V-'shaped slits 114 in the globe, pressing inwardly themetal within these slits to form prongs or clips and then bending theseprongs or clips tightly against the glass or mica. I have shown in theupper part of the globe a number of V-shaped slips The metal withinthese slits will be bent slightly outward to permit of the passage ofair.

What I claim as my invention, and vdesire to secure by Letters Patent,is-

1. In a gas-burner, the combination ot a body, a plug arrangedtransversely in the body, a main gas-duct in the body above the plug,two independent gas-ducts in the body below the plug and extending fromthe socket, two ducts in the plug corresponding to the two ducts whichare arranged in the body below the plug, a duct in the plugcorresponding to the main gas-duct which is arranged in the duct abovethe plug, and a cavity eX- tending lengthwise ot the plug andestablishing communication between the three said ducts of the plug, sothat the duct above the plug will receive its supply of gas from the twoducts below the plug, substantially as specified. v l

2. In a gas-burner, the combination of a body, a plug arrangedtransversely in the body, amain gas-duct, as a7, in the body above theplug, two gas-ducts, as a4 a5, in the body below the plug, two ducts, asc4 c5, in the plug corresponding to the two ducts which are arranged inthe body below the plug, and a duct, as c7, in the plug corresponding tothe main gas-duct which is arranged in the duct above the plug, acavity, as c', extending lengthwise of the plug and establishingcommunication between the three said ducts of the plug, and aregulating-screw projecting -into the cavity that extends lengthwise inthe plug and serving to obstruct more or less that duct whichcorresponds to the main gasduct, substantially as specified.

3. In a gas-burner, the combination of a IOO IIO

body, a plug fitted transversely in the body, ducts a4 a5 d6 al in thebody, ducts o4 c5 c c7 in the plug, a cavity c in the plug, a regu#lating-screw c2, and a regulating-screw as, substantially as specified.

4. In a gas-burner, the combination, Wit-h a body and a plug fittedtransversely in the body, of ducts d4 d5 a6 01,7 in the body, ducts o4c5 c,"i c7 in the plug', a cavity c in the plug, a

circumferential groove c3 in the plugin the same plane as the ducts0406, and a regulatingscreW c2, substantially as specified.

5. In a gas-burner, the combination, with a body and a plug` fittedtransversely in the body, of ducts d4 a5 a6 c7 in the body, ducts c4 c5o6 c7 in the plug, a cavity c in the plug, a circumferential groove c3in the plug in the same plane as the ducts c4 c, a regulatingscreW c2,and a regulating-screw as, substantially as specified.

6. The combination, with a gas-burner, of an oscillating' leversupported thereby, a globe-holder sliding upon a pillar, a bifurcatedlink connected at one end to the lever and havingits bifurcated armspivotally cor.-

nected to the diametrically-opposite points of the globe-holder,substantially as specified.

7. rlhe combination, with a gas-burner, of a globe-holder consisting ofa plate having a cylinder provided with corrugations extendingtransversely to the axis of the cylinder and fitting the pillar of thegas-burner, substantially as specified.

8. The combination, With a burner, of an airdistributer plate, V-Shapedslits and the metal Within the slits deected, forming tongues allowingpassage of air at the sides, substantially as speciiied. 9. Thecombination, with a globe-holder, of a globe consisting of sheet metalhaving openings fitted With glass or mica, said glass or mica being held-in place by prongs in the globe, and the said globe having strips eX-tended through slots, thereby being detachaf' bly engaged With theglobe-holder, substantially as specified.

WILLIAM F. FOLMER. Witnesses:

E. H. PILSBURY, C. R. FERGUSON.

